/*
 *  Copyright 2008-2010 the original author or authors.
 * 
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 * 
 *       http://www.apache.org/licenses/LICENSE-2.0
 * 
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *  under the License.
 */
package org.openaecfm.spf.io.constraint;

import org.openaecfm.model.constraint.Constraint;
import org.openaecfm.model.constraint.ConstraintEnum;
import org.openaecfm.model.datetime.DateTime;
import org.openaecfm.spf.io.IAppDataManager;
import org.openaecfm.spf.io.IEntityInstanceUtilInput;
import org.openaecfm.spf.io.IEntityInstanceUtilOutput;
import org.openaecfm.spf.model.DollarParameter;
import org.openaecfm.spf.model.EntityInstance;
import org.openaecfm.spf.model.EntityInstanceNameParameter;
import org.openaecfm.spf.model.EnumerationParameter;
import org.openaecfm.spf.model.NodeType;
import org.openaecfm.spf.model.Parameter;
import org.openaecfm.spf.model.SimpleEntityInstance;
import org.openaecfm.spf.model.StringParameter;

public final class ConstraintIO implements
		IEntityInstanceUtilInput<Constraint>,
		IEntityInstanceUtilOutput<Constraint> {

	/**
	 * {@inheritDoc}
	 */
	@Override
	public void exportSPF(Constraint pojo, EntityInstance ei,
			IAppDataManager appDataManager) {
		SimpleEntityInstance sei = (SimpleEntityInstance) ei;

		// Set Name
		sei.addParameter(new StringParameter(pojo.getName(),
				StringParameter.UTF_8));

		// Set Description
		if (pojo.getDescription() == null) {
			sei.addParameter(DollarParameter.getInstance());
		} else {
			sei.addParameter(new StringParameter(pojo.getDescription(),
					StringParameter.UTF_8));
		}

		// Set ConstraintGrade
		sei.addParameter(new EnumerationParameter(pojo.getConstraintGrade()));

		// Set ConstraintSource
		if (pojo.getConstraintSource() == null) {
			sei.addParameter(DollarParameter.getInstance());
		} else {
			sei.addParameter(new StringParameter(pojo.getConstraintSource(),
					StringParameter.UTF_8));
		}

		// Set CreatingActor
		if (pojo.getCreatingActor() == null) {
			sei.addParameter(DollarParameter.getInstance());
		} else {
			sei.addParameter(new EntityInstanceNameParameter(appDataManager
					.getName(pojo.getCreatingActor())));
		}

		// Set CreationTime
		if (pojo.getCreationTime() == null) {
			sei.addParameter(DollarParameter.getInstance());
		} else {
			sei.addParameter(new StringParameter(pojo.getCreationTime()
					.toString(), StringParameter.UTF_8));
		}

		// Set UserDefinedGrade
		if (pojo.getUserDefinedGrade() == null) {
			sei.addParameter(DollarParameter.getInstance());
		} else {
			sei.addParameter(new StringParameter(pojo.getUserDefinedGrade(),
					StringParameter.UTF_8));
		}
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	public void resolveNotReferenceParameter(EntityInstance ei, Constraint pojo) {
		SimpleEntityInstance sei = (SimpleEntityInstance) ei;

		// Set Name
		StringParameter name = (StringParameter) sei.getParameter(0);
		pojo.setName(name.toUTF8());

		// Set Description
		Parameter des = sei.getParameter(1);
		if (des.getNodeType() == NodeType.STRING) {
			StringParameter s = (StringParameter) des;
			pojo.setDescription(s.toUTF8());
		}

		// Set ConstraintGrade
		EnumerationParameter congrade = (EnumerationParameter) sei
				.getParameter(2);
		pojo.setConstraintGrade(ConstraintEnum.valueOf(congrade.toEnumString()));

		// Set ConstraintSource
		Parameter consource = sei.getParameter(3);
		if (consource.getNodeType() == NodeType.STRING) {
			StringParameter s = (StringParameter) consource;
			pojo.setConstraintSource(s.toUTF8());
		}

		// Set CreationTime
		Parameter creationTime = sei.getParameter(5);
		if (creationTime.getNodeType() == NodeType.STRING) {
			StringParameter s = (StringParameter) creationTime;
			pojo.setCreationTime(new DateTime(s.toUTF8()));
		}

		// Set UserDefinedGrade
		Parameter usergrade = sei.getParameter(6);
		if (usergrade.getNodeType() == NodeType.STRING) {
			StringParameter s = (StringParameter) usergrade;
			pojo.setUserDefinedGrade(s.toUTF8());
		}
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	public void resolveReferenceParameter(EntityInstance ei, Constraint pojo,
			IAppDataManager appDataManager) {
		SimpleEntityInstance sei = (SimpleEntityInstance) ei;

		// Set CreatingActor
		Parameter creatingactor = sei.getParameter(4);
		if (creatingactor.getNodeType() == NodeType.ENTITY_INSTANCE_NAME) {
			EntityInstanceNameParameter n = (EntityInstanceNameParameter) creatingactor;
			pojo.setCreatingActor(appDataManager.getObject(n.toInstanceName()));
		}
	}
}
